Sittivutworapant, Siriluck. “Database analysis to study the main diseases, comorbidities and complications that cost more than DRG of inpatients”. Journal of the Thai Medical Informatics Association 11, no. 1 (June 10, 2025): 25–32. accessed October 4, 2026. https://he03.tci-thaijo.org/index.php/jtmi/article/view/4434.